| Lap | Position | Time | Pace |
|---|---|---|---|
| 1 | 4 | 18.476 | 20/6:09.520 |
| 2 | 4 | 18.717 | 20/6:11.930 |
| 3 | 3 | 18.596 | 20/6:11.927 |
| 4 | 3 | 18.995 | 20/6:13.920 |
| 5 | 3 | 19.390 | 20/6:16.696 |
| 6 | 3 | 17.468 | 20/6:12.140 |
| 7 | 3 | 19.410 | 20/6:14.434 |
| 8 | 3 | 17.858 | 20/6:12.275 |
| 9 | 3 | 19.157 | 20/6:13.482 |
| 10 | 3 | 18.642 | 20/6:13.418 |
| 11 | 3 | 18.198 | 20/6:12.558 |
| 12 | 3 | 18.096 | 20/6:11.672 |
| 13 | 3 | 18.238 | 20/6:11.140 |
| 14 | 2 | 18.154 | 20/6:10.564 |
| 15 | 2 | 18.413 | 20/6:10.411 |
| 16 | 2 | 18.501 | 20/6:10.386 |
| 17 | 2 | 18.349 | 20/6:10.186 |
| 18 | 2 | 18.421 | 20/6:10.088 |
| 19 | 2 | 18.408 | 20/6:09.986 |
| 20 | 1 | 19.729 | 20/6:11.216 |